Bleaching and dyeing; fluid treatment and chemical modification – Treatment of hides – skins – feathers and animal tissues – Depilating
Patent
1976-11-15
1978-02-21
Schofer, Joseph L.
Bleaching and dyeing; fluid treatment and chemical modification
Treatment of hides, skins, feathers and animal tissues
Depilating
8172R, 8177AB, 8 84, 2605676M, C09B 6700, D06P 141, D06P 1642
Patent
active
040749703
ABSTRACT:
Level dyeings of synthetic fibers with cationic dyestuffs is achieved with the use of surface active agents having the general formula: ##STR1## where R is selected from the group of aliphatic hydrocarbons containing about 8 to 22 carbons atoms, mono- and di-alkylbenzenes where the alkyl chains contain about 8 to 12 carbon atoms each, B is selected from the group of --CH.sub.2 --, Oxygen atom and Sulfur atom n is a number ranging from zero to about 4 R.sub.1, R.sub.2 R.sub.3 contain at least one cyclic or heterocyclic structure and together contain no more than one hydroxyl group A is a water-solubilizing anion
REFERENCES:
patent: 2775604 (1956-12-01), Zech
patent: 3033640 (1962-05-01), Hofer et al.
patent: 3643270 (1972-02-01), Kirschnek et al.
patent: 3716329 (1973-02-01), Komminos et al.
patent: 3919319 (1975-11-01), Hintermeier et al.
patent: 3995997 (1976-12-01), Boehmke et al.
Devnani Papan
Roessel Theodore B.
Schofer Joseph L.
Sybron Corporation
Tungol Maria S.
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